最新的高品質 INSTC_V8 考試練習題庫

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最新的 Cabling Installation INSTC_V8 免費考試真題：

1. The minimum recommended separation distance between twisted-pair communications cabling and electrical power cabling in open air (when power runs in parallel) per BICSI/TIA guidelines is typically ______.

A) 150 mm (6 in)
B) 610 mm (24 in)
C) 300 mm (12 in)
D) 50 mm (2 in)

2. When using multi-pair twisted-pair backbone cables, which practice is critical for ensuring minimal crosstalk and attenuation over long distances?

A) Staggering the pairs at different lengths for uniform impedance
B) Looping each pair once around the binder for strain relief
C) Maintaining the pair twists as close to the termination as possible
D) Combining multiple gauge sizes in the same bundle

3. In BICSI best practices, grounding and bonding busbars within a telecommunications space should:

A) Use aluminum busbars exclusively
B) Be sized according to the largest building ground conductor
C) Be listed (UL or other) and installed on insulated standoffs
D) Always be placed above electrical panels for easy access

4. In a multi-story building, the Telecommunications Main Grounding Busbar (TMGB) is typically located
_______.

A) distributed in each tenant space for convenience
B) on the top floor for easier bonding to rooftop antennas
C) in or near the main electrical service entrance
D) midway through the building for balanced potential

5. Which of the following is used to express system gain and loss?

A) Farads
B) Decibel (dB)
C) Ohms
D) Henries

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